Eczema Overview
What is Eczema?
Eczema, also known as atopic dermatitis, is a chronic inflammatory skin condition that affects approximately 1 in 10 people in various populations. This disorder can manifest at any age, including in infants, children, and adults, and its severity can differ significantly among individuals.
Related Conditions
Eczema is classified as an atopic disorder, which includes related conditions such as allergic rhinitis, asthma, and conjunctivitis. Individuals with eczema may also experience one or more of these associated disorders.
Causes and Symptoms
Eczema is a multifaceted condition, influenced by genetic predispositions, environmental factors, and immune system irregularities. Symptoms typically include dry, sensitive, or itchy skin, as well as skin lesions. Affected areas may include the face, hands, and areas prone to friction, such as the elbows and knees. The constant itching can lead to a repetitive cycle known as the itch-scratch cycle, worsening the condition.
Increasing Prevalence
In recent years, the prevalence of eczema has risen. While the exact cause of this increase remains unclear, it may be linked to a rise in environmental triggers.
Managing Eczema
Understanding Treatment Variability
The treatment of eczema varies widely due to the different severities of the condition experienced by individuals. Nonetheless, effective treatments typically target the underlying factors contributing to eczema.
Removing Environmental Triggers
Environmental triggers for eczema can differ greatly among individuals, with food and airborne allergens being the most frequently identified. In children, food allergies are more common triggers, and maintaining a food diary may help identify specific dietary links to flare-ups. Common food triggers include dairy, eggs, wheat, soy, and peanuts, although many children outgrow these allergies.
In contrast, reactions to airborne triggers, such as dust mites, pollen, and animal dander, often worsen with age. To minimize exposure to airborne allergens, regular cleaning, using hypoallergenic bedding, and avoiding certain household items can be beneficial.
Repairing the Skin Barrier
The itch-scratch cycle can damage the skin barrier, leading to increased dryness. Emollients, which are creams or lotions designed to enhance skin hydration, can be effective in treating this aspect of eczema. These should be applied shortly after bathing to lock in moisture.
Emollients come in various formulations, typically containing ingredients such as petroleum, glycerin, fatty acids, and botanicals. Some may also include natural anti-inflammatory components like aloe vera or coconut oil, although research on their efficacy remains limited. Additionally, emollients may contain ceramides, antimicrobial peptides, or ectoin, which contribute to skin protection and hydration.
Calming the Immune Response
When basic treatments are insufficient, stronger therapies aimed at modulating the immune response may be required. Topical corticosteroids are commonly prescribed to alleviate inflammation and itching. However, their use can lead to side effects, including skin thinning and adrenal complications.
Alternative topical medications known as immunomodulators may also be considered, depending on the severity of the eczema and the individual’s suitability for steroid treatment. For severe cases, oral medications that impact the immune system may be necessary, but these often come with significant side effects.
Consulting Healthcare Providers
It is crucial for individuals with eczema to discuss treatment options with their healthcare provider, as the symptoms and severity of the condition can vary greatly. A tailored approach, considering various combinations of treatments, is often the most effective way to manage eczema.
References
1. Abramovits W. Topical treatment of atopic dermatitis. Atopic Dermatitis and Eczematous Disorders. 2014:179-186. doi:10.1201/b16138-10
2. Bieber T. Atopic dermatitis: An expanding therapeutic pipeline for a complex disease. Nature Reviews Drug Discovery. 2021;21(1):21-40. doi:10.1038/s41573-021-00266-6
3. Hon KL, Kung JS, Ng WG, Leung TF. Emollient treatment of atopic dermatitis: Latest evidence and clinical considerations. Drugs in Context. 2018;7:1-14. doi:10.7573/dic.212530
4. Lee JH, Son SW, Cho SH. A comprehensive review of the treatment of atopic eczema. Allergy, Asthma & Immunology Research. 2016;8(3):181. doi:10.4168/aair.2016.8.3.181